Coin bank



FIG. 1 is a perspective view of a coin bank showing my new design;

FIG. 2 is a left side elevational view of the coin bank;

FIG. 3 is a right side elevational view of the coin bank;

FIG. 4 is a front elevational view of the coin bank;

FIG. 5 is a rear elevational view of the coin bank;

FIG. 6 is a top plan view of the coin bank; and,

FIG. 7 is a bottom plan view of the coin bank. 

The ornamental design for a coin bank, as shown. 